
Rūgščių sąveika su metalais
Authored by edita kuriene
Chemistry
1st Grade
Used 6+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ar pateiktame paveikslėlyje metalas reaguos su druskos rūgšties tirpalu?
Ne
Taip
Kartais
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokios dujos išsiskiria rūgščių tirpalams reaguojant su metalais?
H2
O2
CO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metalų sąveiką su rūgštimis priskiriame ....
Oksidacijos -redukcijos reakcijoms
Jungimosi reakcijoms
Mainų reakcijos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Visų rūgščių tirpaluose yra jonai.
H+ (aq)
H+
H
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alavo (IV) chlorido formulė yra
SnCl4
Sn2Cl4
SnCl2
AlCl4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ant cinko granulių užpylus druskos rūgšties išsiskiria vandenilio dujos .Kaip patikrinti kad tai vandenilio dujos ?
Padegus sprogsta
Pagal kvapą
Pagal spalvą
Pakeičia indikatorių spalvą
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pasirinkite variantą , kad visi metalai reaguotų su rūgščių tirpalais?
K, Zn, Hg
Ca, Mg, Cr
Li, Fe, Ag
K, Pb, Au
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